40816699999 has 4 divisors (see below), whose sum is σ = 40871933080. Its totient is φ = 40761466920.

The previous prime is 40816699981. The next prime is 40816700039. The reversal of 40816699999 is 99999661804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40816699999 - 2⁷ = 40816699871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40816699939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27615432 + ... + 27616909.

It is an arithmetic number, because the mean of its divisors is an integer number (10217983270).

Almost surely, 2^40816699999 is an apocalyptic number.

40816699999 is a deficient number, since it is larger than the sum of its proper divisors (55233081).

40816699999 is an equidigital number, since it uses as much as digits as its factorization.

40816699999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55233080.

The product of its (nonzero) digits is 68024448, while the sum is 70.

The spelling of 40816699999 in words is "forty billion, eight hundred sixteen million, six hundred ninety-nine thousand, nine hundred ninety-nine".